package day09;

public class Static01 {
    public static void main(String[] args) {            //初识工具类
        int[] arr = {10,20,50,34,100};
        double[] arr1={11.1,22.2,33.3,44.4,55.5};
        System.out.println(ArrayUtil.printArr(arr));
        System.out.println(ArrayUtil.getAverage(arr1));
    }
}
